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	Biodegradation of PCBs by a ligninolytic fungus Cajthaml, Tomáš ; Kožená, Lenka ; Filipová, Alena ; Svobodová, Kateřina Although production and use of polychlorinated biphenyls has been prohibited for many years, the compounds still represent a serious problem for the environment. The objective of this work was to test abilities of PCB degradation of several representatives of ligninolytic fungi: Phanerochaete chrysosporium, Pleurotus ostreatus, Trametes versicolor, Irpex lacteus, Bjerkandera adusta, Picnoporus cinnabarinus, Dichomitus squalens, Phanerochaete magnolia, Panus tigrinus in two types of nutrient media i.e. low nitrogen mineral and complex. Detailed record
	CHARACTERIZATION OF MICROBIAL POPULATIONS DURING COMPOSTING OF CONTAMINATED SOIL Petránková, Mirka ; Čechová, Zuzana ; Brennerová, Mária ; Cajthaml, Tomáš Bioremediation is an indisputably advantageous approach to cleaning up contaminated soils. The efficiency of bioremediation depends on a number of factors, the most important of which are the ability of the bioremediative organism to degrade the target pollutants, the pollutant’s intrinsic properties (aqueous solubility being of key importance), and soil parameters. Composting has been recently shown to be efficient for remediation of soils contaminated e.g. with PAHs Detailed record
	Comparison of ecotoxicity and persistent organic pollutant bioavailability in real contaminated soil, using selective supercritical fluid extraction (SFE) Čvančarová, Monika ; Křesinová, Zdena ; Cajthaml, Tomáš The amount of bioavailable polychlorinated biphenyls (PCBs) and polycyclic aromatic hydrocarbons (PAHs) in contaminated soil was estimated using Supercritical fluid extraction (SFE). The toxicity of contaminated soil was determinated using different organisms: earthworms Eisenia fetida, duckweed Lemna minor, crustacean Heterocypris incongruens, bioluminiscent bacterium Vibrio fischeri and worms Enchytraeus crypticus. There was a different amount of bioavailable fraction in each soil. There was close relationship between ecotoxicity and bioavailability in PAHs contaminated soil Detailed record
	Screening of fungi are able to degradation of chlorobenzoates Muzikář, Milan ; Křesinová, Zdena ; Svobodová, Kateřina ; Cajthaml, Tomáš Degradation of chlorobenzoates (CBA), which are the intermediates by degradation of polychlorinated biphenyls, with fungi capable degrade lignin. These fungi are called ligninolytic or white-rot fungi. Biodegradation was tested in rich medium. The cultures were Bjerkandera adusta, Dichomitus squalens, Irpex lacteus, Phanerochaete chysosporium, Pleurotus ostreatus, Pycnoporus cinnabarinus, Pycnoporus magnoliae a Trametes versicolor. The harvesting was performance 1., 2. and 3. week. Via ethylacetate we obtained the organic extract which was analyzed on HPLC. The start concentration was 10 ppm (10 μg/ml). We tested 12 substances of CBA Detailed record
	Comparison of in vitro tests for measurement of estrogenity of chlorinated compounds and their use in the evaluation of biodegradation of chlorbenzoates by the fungus Panus tigrinus Svobodová, Kateřina ; Covino, S. ; Křesinová, Zdena ; Cajthaml, Tomáš Recently, contamination of the environment by endocrine disruptive compounds, toxicity of these chemicals and their biodegradability are widely studied. This work is focused on estrogenity of chlorinated phenols and chlorbenzoic acids that represent potential degradation products of PCB compounds. Two different yeast bioassays for evaluation of estrogenity based on recombinated strains of Saccharomyces cerevisie were compared in this work. Estrogenic activity of chlorbenzoic acids varied with the chemical structure of chemicals. A mixture of chlorbenzoates (initial concentration 10 ppm) was degraded by a ligninolytic fungus Panus tigrinus in liquid cultures. Chemicals resulting from degradation were tested for their estrogenity, however, results indicated that the test responses were inhibited probably by some compounds present in the fungal culture liquid Detailed record
	Odhad biodostupnosti hydrofobních organických polutantů v půdě Cajthaml, Tomáš ; Erbanová, Pavla ; Šašek, Václav The work deals with posibility to estimate bioavailability of organic pollutants in soil mainly with supercritical fluid extraction Detailed record
	Biodegradace PCB v dlouhodobě kontaminované půdě Sejáková, Z. ; Brennerová, Mária ; Čechová, Z. ; Dercová, K. ; Cajthaml, Tomáš The work describes biodegradation of PCBs by several bacterial isolates from long-term contaminated soil Detailed record
	Use of rhizoremediation for the removal of PCBs from long-term contaminated soil with the focus on microbial diversity Beranová, K. ; Kochánková, L. ; Macek, Tomáš ; Macková, M. Use of rhizoremediation for the removal of PCBs from long-term contaminated soil with the focus on microbial diversity. Detailed record
	Metabolické produkty degradace PCB a jejich osud v rostlinných a bakteriálních buňkách Frančová, K. ; Sylvestre, M. ; Macek, Tomáš ; Macková, Martina The work studies the metabolism of PCB and their intermediates in microbial and plant cells. Detailed record
	Rostlinné metabolity polychlorovaných bifenylů v tkáňových kulturách lilku černého Solanum nigrum SNC-9O a tabáku Nicotiana tabacum WSC-38 Rezek, Jan ; Doubský, Jan ; Macková, Martina ; Tříska, Jan ; Macek, Tomáš Metabolites of individual PCBs were determined in plant cell cultures and ability of their forming was compared. Detailed record

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